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/*
* Copyright 2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.elasticsearch.core.query;
import org.springframework.data.domain.Sort;
import org.springframework.data.elasticsearch.core.geo.GeoPoint;
/**
* {@link org.springframework.data.domain.Sort.Order} derived class to be able to define a _geo_distance order for a
* search.
*
* @author Peter-Josef Meisch
* @since 4.0
*/
public class GeoDistanceOrder extends Sort.Order {
private static final DistanceType DEFAULT_DISTANCE_TYPE = DistanceType.arc;
private static final Mode DEFAULT_MODE = Mode.min;
private static final String DEFAULT_UNIT = "m";
private static final Boolean DEFAULT_IGNORE_UNMAPPED = false;
private final GeoPoint geoPoint;
private final DistanceType distanceType;
private final Mode mode;
private final String unit;
private final Boolean ignoreUnmapped;
public GeoDistanceOrder(String property, GeoPoint geoPoint) {
this(property, geoPoint, Sort.Direction.ASC, DEFAULT_DISTANCE_TYPE, DEFAULT_MODE, DEFAULT_UNIT,
DEFAULT_IGNORE_UNMAPPED);
}
private GeoDistanceOrder(String property, GeoPoint geoPoint, Sort.Direction direction, DistanceType distanceType,
Mode mode, String unit, Boolean ignoreUnmapped) {
super(direction, property);
this.geoPoint = geoPoint;
this.distanceType = distanceType;
this.mode = mode;
this.unit = unit;
this.ignoreUnmapped = ignoreUnmapped;
}
public GeoPoint getGeoPoint() {
return geoPoint;
}
public DistanceType getDistanceType() {
return distanceType;
}
public Mode getMode() {
return mode;
}
public String getUnit() {
return unit;
}
public Boolean getIgnoreUnmapped() {
return ignoreUnmapped;
}
@Override
public GeoDistanceOrder withProperty(String property) {
return new GeoDistanceOrder(property, getGeoPoint(), getDirection(), getDistanceType(), getMode(), getUnit(),
getIgnoreUnmapped());
}
@Override
public GeoDistanceOrder with(Sort.Direction direction) {
return new GeoDistanceOrder(getProperty(), getGeoPoint(), direction, getDistanceType(), getMode(), getUnit(),
getIgnoreUnmapped());
}
@Override
public GeoDistanceOrder with(Sort.NullHandling nullHandling) {
throw new UnsupportedOperationException("null handling is not supported for _geo_distance sorts");
}
public GeoDistanceOrder with(DistanceType distanceType) {
return new GeoDistanceOrder(getProperty(), getGeoPoint(), getDirection(), distanceType, getMode(), getUnit(),
getIgnoreUnmapped());
}
public GeoDistanceOrder with(Mode mode) {
return new GeoDistanceOrder(getProperty(), getGeoPoint(), getDirection(), getDistanceType(), mode, getUnit(),
getIgnoreUnmapped());
}
public GeoDistanceOrder withUnit(String unit) {
return new GeoDistanceOrder(getProperty(), getGeoPoint(), getDirection(), getDistanceType(), getMode(), unit,
getIgnoreUnmapped());
}
public GeoDistanceOrder withIgnoreUnmapped(Boolean ignoreUnmapped) {
return new GeoDistanceOrder(getProperty(), getGeoPoint(), getDirection(), getDistanceType(), getMode(), getUnit(),
ignoreUnmapped);
}
@Override
public String toString() {
return "GeoDistanceOrder{" + "geoPoint=" + geoPoint + ", distanceType=" + distanceType + ", mode=" + mode
+ ", unit='" + unit + '\'' + ", ignoreUnmapped=" + ignoreUnmapped + "} " + super.toString();
}
public enum DistanceType {
arc, plane
}
public enum Mode {
min, max, median, avg
}
}